An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that leads to a failure of the libsofia-sip-ua/tport/tport.c self assertion.
{ "vanir_signatures": [ { "source": "https://github.com/davehorton/sofia-sip/commit/13b2a135287caa2d67ac6cd5155626821e25b377", "signature_type": "Line", "target": { "file": "libsofia-sip-ua/tport/tport.c" }, "signature_version": "v1", "deprecated": false, "digest": { "threshold": 0.9, "line_hashes": [ "137665327021306405935673177103996540739", "222660642482478647502609743690131795640", "126945473246565109207045912794547003621", "75899966100980029990415126950327193709" ] }, "id": "CVE-2022-47516-6838b271" }, { "source": "https://github.com/drachtio/drachtio-server/commit/dd5946eb6525b1e11b3f6defda5725de4827cc71", "signature_type": "Line", "target": { "file": "src/controller.cpp" }, "signature_version": "v1", "deprecated": false, "digest": { "threshold": 0.9, "line_hashes": [ "332083738435093446771916377898312945208", "255569788703833788770916166827643568470", "165363004683784641494336107676070664102", "153418132714500510589381506844718292084" ] }, "id": "CVE-2022-47516-9a251d5e" }, { "source": "https://github.com/drachtio/drachtio-server/commit/dd5946eb6525b1e11b3f6defda5725de4827cc71", "signature_type": "Function", "target": { "file": "src/controller.cpp", "function": "DrachtioController::initializeLogging" }, "signature_version": "v1", "deprecated": false, "digest": { "function_hash": "302820561589657871601387665499720260476", "length": 3405.0 }, "id": "CVE-2022-47516-b06b2c85" }, { "source": "https://github.com/davehorton/sofia-sip/commit/13b2a135287caa2d67ac6cd5155626821e25b377", "signature_type": "Function", "target": { "file": "libsofia-sip-ua/tport/tport.c", "function": "tport_tsend" }, "signature_version": "v1", "deprecated": false, "digest": { "function_hash": "9098198435050197295798369122218213473", "length": 3356.0 }, "id": "CVE-2022-47516-b0dbb540" } ] }